#include "symbol_t.h"
#include "type_hash.h"
#include "adt/error.h"
+#include "lang_features.h"
static struct obstack _type_obst;
static FILE *out;
struct obstack *type_obst = &_type_obst;
static int type_visited = 0;
-static bool print_implicit_array_size = true;
+static bool print_implicit_array_size = false;
static void intern_print_type_pre(const type_t *type, bool top);
static void intern_print_type_post(const type_t *type, bool top);
{
print_type_qualifiers(type->type.qualifiers);
- const char *s;
- switch(type->akind) {
- case ATOMIC_TYPE_INVALID: s = "INVALIDATOMIC"; break;
- case ATOMIC_TYPE_VOID: s = "void"; break;
- case ATOMIC_TYPE_BOOL: s = "_Bool"; break;
- case ATOMIC_TYPE_CHAR: s = "char"; break;
- case ATOMIC_TYPE_SCHAR: s = "signed char"; break;
- case ATOMIC_TYPE_UCHAR: s = "unsigned char"; break;
- case ATOMIC_TYPE_INT: s = "int"; break;
- case ATOMIC_TYPE_UINT: s = "unsigned int"; break;
- case ATOMIC_TYPE_SHORT: s = "short"; break;
- case ATOMIC_TYPE_USHORT: s = "unsigned short"; break;
- case ATOMIC_TYPE_LONG: s = "long"; break;
- case ATOMIC_TYPE_ULONG: s = "unsigned long"; break;
- case ATOMIC_TYPE_LONGLONG: s = "long long"; break;
- case ATOMIC_TYPE_ULONGLONG: s = "unsigned long long"; break;
- case ATOMIC_TYPE_LONG_DOUBLE: s = "long double"; break;
- case ATOMIC_TYPE_FLOAT: s = "float"; break;
- case ATOMIC_TYPE_DOUBLE: s = "double"; break;
- default: s = "UNKNOWNATOMIC"; break;
+ const char *s = "INVALIDATOMIC";
+ switch((atomic_type_kind_t) type->akind) {
+ case ATOMIC_TYPE_INVALID: break;
+ case ATOMIC_TYPE_VOID: s = "void"; break;
+ case ATOMIC_TYPE_BOOL: s = "_Bool"; break;
+ case ATOMIC_TYPE_CHAR: s = "char"; break;
+ case ATOMIC_TYPE_SCHAR: s = "signed char"; break;
+ case ATOMIC_TYPE_UCHAR: s = "unsigned char"; break;
+ case ATOMIC_TYPE_INT: s = "int"; break;
+ case ATOMIC_TYPE_UINT: s = "unsigned int"; break;
+ case ATOMIC_TYPE_SHORT: s = "short"; break;
+ case ATOMIC_TYPE_USHORT: s = "unsigned short"; break;
+ case ATOMIC_TYPE_LONG: s = "long"; break;
+ case ATOMIC_TYPE_ULONG: s = "unsigned long"; break;
+ case ATOMIC_TYPE_LONGLONG: s = "long long"; break;
+ case ATOMIC_TYPE_ULONGLONG: s = "unsigned long long"; break;
+ case ATOMIC_TYPE_LONG_DOUBLE: s = "long double"; break;
+ case ATOMIC_TYPE_FLOAT: s = "float"; break;
+ case ATOMIC_TYPE_DOUBLE: s = "double"; break;
+ case ATOMIC_TYPE_FLOAT_COMPLEX: s = "_Complex float"; break;
+ case ATOMIC_TYPE_DOUBLE_COMPLEX: s = "_Complex float"; break;
+ case ATOMIC_TYPE_LONG_DOUBLE_COMPLEX: s = "_Complex float"; break;
+ case ATOMIC_TYPE_FLOAT_IMAGINARY: s = "_Imaginary float"; break;
+ case ATOMIC_TYPE_DOUBLE_IMAGINARY: s = "_Imaginary float"; break;
+ case ATOMIC_TYPE_LONG_DOUBLE_IMAGINARY: s = "_Imaginary float"; break;
}
fputs(s, out);
}
fprintf(out, "%s", entry->symbol->string);
if(entry->init.initializer != NULL) {
fprintf(out, " = ");
- print_expression(entry->init.enum_value);
+
+ /* skip the implicit cast */
+ expression_t *expression = entry->init.enum_value;
+ if(expression->kind == EXPR_UNARY_CAST_IMPLICIT) {
+ expression = expression->unary.value;
+ }
+ print_expression(expression);
}
fprintf(out, ",\n");
}
if(type->kind != TYPE_ATOMIC)
return false;
- switch(type->atomic.akind) {
+ switch((atomic_type_kind_t) type->atomic.akind) {
case ATOMIC_TYPE_BOOL:
case ATOMIC_TYPE_CHAR:
case ATOMIC_TYPE_SCHAR:
case ATOMIC_TYPE_LONGLONG:
case ATOMIC_TYPE_ULONGLONG:
return true;
- default:
+
+ case ATOMIC_TYPE_INVALID:
+ case ATOMIC_TYPE_VOID:
+ case ATOMIC_TYPE_FLOAT:
+ case ATOMIC_TYPE_DOUBLE:
+ case ATOMIC_TYPE_LONG_DOUBLE:
+ case ATOMIC_TYPE_FLOAT_COMPLEX:
+ case ATOMIC_TYPE_DOUBLE_COMPLEX:
+ case ATOMIC_TYPE_LONG_DOUBLE_COMPLEX:
+ case ATOMIC_TYPE_FLOAT_IMAGINARY:
+ case ATOMIC_TYPE_DOUBLE_IMAGINARY:
+ case ATOMIC_TYPE_LONG_DOUBLE_IMAGINARY:
return false;
}
+
+ panic("unexpected atomic type kind");
}
/**
if(type->kind != TYPE_ATOMIC)
return false;
- switch(type->atomic.akind) {
+ switch((atomic_type_kind_t) type->atomic.akind) {
case ATOMIC_TYPE_FLOAT:
case ATOMIC_TYPE_DOUBLE:
case ATOMIC_TYPE_LONG_DOUBLE:
-#ifdef PROVIDE_COMPLEX
case ATOMIC_TYPE_FLOAT_COMPLEX:
case ATOMIC_TYPE_DOUBLE_COMPLEX:
case ATOMIC_TYPE_LONG_DOUBLE_COMPLEX:
case ATOMIC_TYPE_FLOAT_IMAGINARY:
case ATOMIC_TYPE_DOUBLE_IMAGINARY:
case ATOMIC_TYPE_LONG_DOUBLE_IMAGINARY:
-#endif
return true;
- default:
+
+ case ATOMIC_TYPE_INVALID:
+ case ATOMIC_TYPE_VOID:
+ case ATOMIC_TYPE_BOOL:
+ case ATOMIC_TYPE_CHAR:
+ case ATOMIC_TYPE_SCHAR:
+ case ATOMIC_TYPE_UCHAR:
+ case ATOMIC_TYPE_SHORT:
+ case ATOMIC_TYPE_USHORT:
+ case ATOMIC_TYPE_INT:
+ case ATOMIC_TYPE_UINT:
+ case ATOMIC_TYPE_LONG:
+ case ATOMIC_TYPE_ULONG:
+ case ATOMIC_TYPE_LONGLONG:
+ case ATOMIC_TYPE_ULONGLONG:
return false;
}
+
+ panic("unexpected atomic type kind");
}
/**
if(type->kind != TYPE_ATOMIC)
return false;
- switch(type->atomic.akind) {
+ switch((atomic_type_kind_t) type->atomic.akind) {
case ATOMIC_TYPE_CHAR:
case ATOMIC_TYPE_SCHAR:
case ATOMIC_TYPE_SHORT:
case ATOMIC_TYPE_FLOAT:
case ATOMIC_TYPE_DOUBLE:
case ATOMIC_TYPE_LONG_DOUBLE:
-#ifdef PROVIDE_COMPLEX
case ATOMIC_TYPE_FLOAT_COMPLEX:
case ATOMIC_TYPE_DOUBLE_COMPLEX:
case ATOMIC_TYPE_LONG_DOUBLE_COMPLEX:
case ATOMIC_TYPE_FLOAT_IMAGINARY:
case ATOMIC_TYPE_DOUBLE_IMAGINARY:
case ATOMIC_TYPE_LONG_DOUBLE_IMAGINARY:
-#endif
return true;
case ATOMIC_TYPE_BOOL:
case ATOMIC_TYPE_VOID:
case ATOMIC_TYPE_INVALID:
- case ATOMIC_TYPE_LAST:
return false;
}
return type;
}
+unsigned get_atomic_type_size(atomic_type_kind_t kind)
+{
+ switch(kind) {
+ case ATOMIC_TYPE_CHAR:
+ case ATOMIC_TYPE_SCHAR:
+ case ATOMIC_TYPE_UCHAR:
+ return 1;
+
+ case ATOMIC_TYPE_SHORT:
+ case ATOMIC_TYPE_USHORT:
+ return 2;
+
+ case ATOMIC_TYPE_BOOL:
+ case ATOMIC_TYPE_INT:
+ case ATOMIC_TYPE_UINT:
+ return machine_size >> 3;
+
+ case ATOMIC_TYPE_LONG:
+ case ATOMIC_TYPE_ULONG:
+ return machine_size > 16 ? machine_size >> 3 : 4;
+
+ case ATOMIC_TYPE_LONGLONG:
+ case ATOMIC_TYPE_ULONGLONG:
+ return machine_size > 16 ? 8 : 4;
+
+ case ATOMIC_TYPE_FLOAT_IMAGINARY:
+ case ATOMIC_TYPE_FLOAT:
+ return 4;
+
+ case ATOMIC_TYPE_DOUBLE_IMAGINARY:
+ case ATOMIC_TYPE_DOUBLE:
+ return 8;
+
+ case ATOMIC_TYPE_LONG_DOUBLE_IMAGINARY:
+ case ATOMIC_TYPE_LONG_DOUBLE:
+ return 12;
+
+ case ATOMIC_TYPE_VOID:
+ return 1;
+
+ case ATOMIC_TYPE_FLOAT_COMPLEX:
+ return 2 * get_atomic_type_size(ATOMIC_TYPE_FLOAT);
+
+ case ATOMIC_TYPE_DOUBLE_COMPLEX:
+ return 2 * get_atomic_type_size(ATOMIC_TYPE_DOUBLE);
+
+ case ATOMIC_TYPE_LONG_DOUBLE_COMPLEX:
+ return 2 * get_atomic_type_size(ATOMIC_TYPE_LONG_DOUBLE);
+
+ case ATOMIC_TYPE_INVALID:
+ break;
+ }
+ panic("Trying to determine size of invalid atomic type");
+}
+
+/**
+ * Find the atomic type kind representing a given size (signed).
+ */
+atomic_type_kind_t find_signed_int_atomic_type_kind_for_size(unsigned size) {
+ static atomic_type_kind_t kinds[32];
+
+ assert(size < 32);
+ atomic_type_kind_t kind = kinds[size];
+ if(kind == ATOMIC_TYPE_INVALID) {
+ static const atomic_type_kind_t possible_kinds[] = {
+ ATOMIC_TYPE_SCHAR,
+ ATOMIC_TYPE_SHORT,
+ ATOMIC_TYPE_INT,
+ ATOMIC_TYPE_LONG,
+ ATOMIC_TYPE_LONGLONG
+ };
+ for(unsigned i = 0; i < sizeof(possible_kinds)/sizeof(possible_kinds[0]); ++i) {
+ if(get_atomic_type_size(possible_kinds[i]) == size) {
+ kind = possible_kinds[i];
+ break;
+ }
+ }
+ kinds[size] = kind;
+ }
+ return kind;
+}
+
+/**
+ * Find the atomic type kind representing a given size (signed).
+ */
+atomic_type_kind_t find_unsigned_int_atomic_type_kind_for_size(unsigned size) {
+ static atomic_type_kind_t kinds[32];
+
+ assert(size < 32);
+ atomic_type_kind_t kind = kinds[size];
+ if(kind == ATOMIC_TYPE_INVALID) {
+ static const atomic_type_kind_t possible_kinds[] = {
+ ATOMIC_TYPE_UCHAR,
+ ATOMIC_TYPE_USHORT,
+ ATOMIC_TYPE_UINT,
+ ATOMIC_TYPE_ULONG,
+ ATOMIC_TYPE_ULONGLONG
+ };
+ for(unsigned i = 0; i < sizeof(possible_kinds)/sizeof(possible_kinds[0]); ++i) {
+ if(get_atomic_type_size(possible_kinds[i]) == size) {
+ kind = possible_kinds[i];
+ break;
+ }
+ }
+ kinds[size] = kind;
+ }
+ return kind;
+}
+
/**
* Hash the given type and return the "singleton" version
* of it.
type->kind = TYPE_ATOMIC;
type->base.qualifiers = qualifiers;
+ type->base.alignment = 0;
type->atomic.akind = atype;
+ /* TODO: set the alignment depending on the atype here */
+
return identify_new_type(type);
}
/**
* Creates a new pointer type.
*
- * @param points_to The points-to type for teh new type.
+ * @param points_to The points-to type for the new type.
* @param qualifiers Type qualifiers for the new type.
*/
type_t *make_pointer_type(type_t *points_to, type_qualifiers_t qualifiers)
type->kind = TYPE_POINTER;
type->base.qualifiers = qualifiers;
+ type->base.alignment = 0;
type->pointer.points_to = points_to;
return identify_new_type(type);
type->kind = TYPE_ARRAY;
type->base.qualifiers = qualifiers;
+ type->base.alignment = 0;
type->array.element_type = element_type;
type->array.size = size;
type->array.size_constant = true;